List the expressions (I)–(III) in order from smallest to largest, where r(t) is the hourly rate that an animal burns calories and R(t) is the total number of calories burned since time t = 0. Assume r(t) > 0 and r'(t) < 0 for 0 ≤ t ≤ 12.

I. R(10) II. R(12) III. R(10)+r(10)⋅2